TDA3681TH 查看數據表（PDF） - NXP Semiconductors.

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TDA3681TH

Multiple voltage regulator with switch and ignition buffer

NXP Semiconductors. 

Philips Semiconductors

Multiple voltage regulator with switch and

ignition buffer

Product specification

TDA3681

handbook, full pagewidth

VP1 = VP2

18 V

8.9 V

7.0 V

4.0 V

enable ≥1.8 V

regulator 1/3 1.3 V

8.5 V

regulator 1

0V

5.0 V

regulator 3

0V

enable >1.8 V

regulator 4

<1.3 V

3.3 V

regulator 4

0V

16.9 V

VP

7.0 V

4.0 V

enable

power

switch

power

switch

output

>1.8 V

<1.3 V

16 V

0V

load dump

VP and enable Schmitt trigger

load dump

Power switch behaviour

MGL906

2004 Mar 31

Fig.7 Timing diagram of regulators and power switch.

11

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